body{
    /*min-width: 1600px;*/
    font-family:"微软雅黑";
    font-size: 18px;
    background: url(images/opacity.png) no-repeat;
    background-size:cover;
    
}
.page-container{
    margin: 0 auto;
    /*max-width: 1600px;*/
}
.color-set{color: #3e526e;}
.color-set2{color: #666666;}
.color-set3{color: #999999;}
.color-set4{color: #aaaaaa;}
.color-set5{color: #000;}
a:hover{text-decoration: none;}
/*div.contact-teacher  div.back-to-top */
div.contact-teacher p a,div.back-to-top p a{
    color: #fff;
}
div.contact-teacher p a:hover,div.back-to-top p a:hover{
    color: #414d5e;
}
div.contact-teacher{
    display: none;
    position: fixed;
    top:200px;
    right: 2.5%;
    width: 87px;
    height: 36px;
    line-height: 36px;
    background-color: #aab7cf;
    box-shadow: 5px 5px 5px #dadcdf; 
    z-index: 10;
}
div.back-to-top{
    display: none;
    position: fixed;
    top:244px;
    right: 2.5%;
    width: 87px;
    height: 36px;
    line-height: 36px;
    background-color: #a8a8a8;
    box-shadow: 5px 5px 5px #dadcdf; 
    z-index: 10;
}
/*header*/
.header{
    max-height: 862px;
    background: url(images/banner-bg.png) no-repeat;
    background-position: center 20%;
    -webkit-background-size: cover;
    background-size: cover;
}
.toggle{
    display: none;
}
/*banner*/
div.banner{
/*    position: absolute;
    top:0;
    max-width: 16000px;*/
    margin-top: 48px;
    padding-bottom: 30px;
    width: 100%;
    /*height: 640px;*/
}
div.banner .banner-img{
    display: block;
    margin: 0 auto;
    margin-bottom: 10px;
    /*width: 77.1%;*/
      width: 71%;
}
    div.banner .banner-img{
       width: 90%;
    }
    
}
/*.your-problems{
	
}*/


div.host-content{

}
div.host-content-one{
    background-color: #fff;
}
/**/
.row{
    clear: both;
    
}
.row.first{
    margin-bottom: 5px;
}
.row.first p{
    margin-bottom: 0;
}
.problem-box{
    height: auto;
    margin-bottom: 30px;
    box-sizing:border-box;
}
.problem-box .box-container{
    border:1px solid #c9c9c9;
}
.problem-box .problem-solution{
    padding-left: 5%;
    padding-right: 5%;
    padding-top: 17px;
    padding-right: 17px;
}
.problem-box .problem-solution p.pro-title{
    margin:10px 0 10px 0 ;
    font-size: 0.9em;
    font-weight: bold;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.problem-box .problem-solution p.pro-des{
    margin-top: 10px;
    margin-bottom: 30px;
    height: 6.8em;
    font-size: 0.74em;
    line-height: 1.7em;
    text-overflow: ellipsis;
    white-space: normal;
    word-break: break-all;
    word-wrap: break-word;
    /*white-space: nowrap;折行*/
    overflow: hidden;
}
.problem-solution p.pro-title a{color: #0e1b30;}
.problem-solution p.pro-title a:hover{
    color: #5575a6;
}
.problem-solution p.pro-title a:hover p.pro-des{
    color: #999999;
}
div.host-content .your-problems{

}

.your-problems h2{
    
}
.your-problems:after {display:block;clear:both;content:"";overflow:hidden;height:0}
.your-problems{zoom:1}
img.caret-down-img {
    width: 100%;
    height: 30px;
}
.display-img{
    position: relative;
}
.display-img img.tab-img{
    position: absolute;
    top:12.2%;
    left: 0;
    width: auto;
    height: 24%;
    z-index:3;
}
.display-img img.hover-display{
    position: absolute;
    top:0;
    display: none;
}
.display-img img.display{
    position: absolute;
    top:0;
    display: block;
}
.display-img:hover{
    cursor: pointer;
}

/*share*/
.share {

}
.share-title .shara-title-font{
    font-size: 1.1em;
    color: #5575a6;
}
.share-title{
    margin-bottom: 25px;
}
.share-title i.fa-caret-down{
    display: inline-block;

    font-size: 1.7em;
    color: #a8a8a8;
}
.share .share-content{
    border-top: 1px solid #c9c9c9;
    border-bottom: 1px solid #c9c9c9;
}
/*.share-content .students*/

.share-content .students{
    position: relative;
    margin:0 2%;
    /*height: 150px;*/
    border-bottom: 1px solid #c9c9c9;
    overflow: hidden;
}

.share .share-content .exprience-box.col-md-2{
    margin-top: 37px;
    width: 20%;
    padding-right: 20px;
    padding-left: 20px;
}
.share .share-content .exprience-box .img-box{
    height:0px;
    padding-bottom:100%;
    overflow: hidden;
}

.share-content .exprience-box .h4{
    display: block;
    color: #333242;
    /*font-weight: 500;*/
    margin-top: 20px;
}
.share-content .exprience-box .exprience-descrip{
    color: #b4b4b4;
    font-size: 0.8em;
    padding:0 2.4%;
    margin-bottom: 30px;
    /*max-height: 60px;*/
    height: 3em;
    max-height: 3em;
    overflow: hidden;
    text-overflow: ellipsis;
}
.exprience-descrip a.h4{display: inline-block;}
.exprience-descrip a.more{
    display: block;
    color: #aaaaaa;
    
}
.exprience-descrip a.more:hover{
    color: #5575a6;
}
/*.share-content .teacher*/
.share-content .teacher{
    margin:0 2%;
    padding: 1.2em 0;
}
.share-content .teacher .t-img{
    text-align: center;
    margin-top: 23px;
}
/*.share-content .teacher .descrip{width: 78%;}*/
.share-content .teacher .descrip .h3{
    margin-bottom: 25px;
    padding-left: 15px;
    font-size: 1.34em;
}
.share-content .teacher p.teacher-descrip{
    font-size: 0.83em;
    color: #666666;
}
/*.share-content .teacher .col-md-2{width: 22%;}*/
/*.share-content .teacher .col-md-5{width: 39%;}*/

/*download*/
.download{
    margin-top: 30px;
    /*margin-bottom: 45px;*/
}
.resource-img{
    position: relative;
}
.resource-img:hover{
    cursor: pointer;
}
.download-resource .resource-img img.download-tab{
    position: absolute;
    top:0;
    left: 8%;/*5.4%*/
    width: 9%;
    height: auto;
}
.download-resource .resource-img img.download-display{
    position: absolute;
    top:0;
    display: none;
}
.download-resource .resource-img img.d-display{
    position: absolute;
    top:0;
    display: block;
}
.download-resource p.h4{
    margin-top: 26px;
    margin-bottom: 26px;
    padding:0 5%;
    font-size: 0.9em;
    
}
.download-resource p.h4 a{color: #555555;}
.download-resource p.h4 a:hover{
    color: #5575a6;
} 
.download-resource p.h4.download-title{
    max-height: 2.2em;
    overflow: hidden;
    text-overflow: ellipsis;
}
.d-link-p{margin-bottom: 45px;}
.d-link-to {
    text-align: center;
}
.d-link-to p.angle-double-down i{
    font-size: 1.8em;
}
.d-link-to a.d-link-a.h3{margin-top: 0;}
.d-link-to a.d-link-a{
    display: inline-block;
}
.d-link-to a.d-link-a:hover{
    color: #5575a6;
    cursor:pointer;
}

